A lot of those checks exist solely on paper, and the people who should be enacting them can't look paat their noses in grift/short term political profit to do their jobs (be they senate majority leaders or supreme court justices or regular lawmakers). Hell, Trump refused to cede control of his businesses to a blind trust, and profited extensively (billing the state for his secret service detail having to stay at his resort while he's golfing) and used it to funnel money (various foreign entities paid obscene amounts of money to stay in his properties). Even just the last one should have been utterly disqualifying from an ethics perspective, and yet...
A coup was attempted (doesn't matter how poorly or clown-like, the intent is all that matters). Influence and favours were sold to other countries. None of this had any impact, even if the "checks" should have resulted in treason sentences.
A coup was attempted (doesn't matter how poorly or clown-like, the intent is all that matters). Influence and favours were sold to other countries. None of this had any impact, even if the "checks" should have resulted in treason sentences.